hard 9×9 Set 40 Form Exercise

Complete the sudoku grid (9x9): each row, column, and box must contain each digit exactly once. Grid: [_ 4 2 1 | _ 1 3 4 | _ _ _ 2 | _ _ _ _]

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Answer: 3 4 2 1 | 2 1 3 4 | 1 3 4 2 | 4 2 1 3

SubType
sudoku
Difficulty
hard
Grid
  • [0,4,2,1]
  • [0,1,3,4]
  • [0,0,0,2]
  • [0,0,0,0]
SolvedGrid
  • [3,4,2,1]
  • [2,1,3,4]
  • [1,3,4,2]
  • [4,2,1,3]
GridSize
4